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Chinese officials present a scale model of the Shenzhou 9 module docking with China's Tiangong 1 space module and 3 astronauts during a press conference at the Jiuquan satellite launch center near Jiuquan in western China's Gansu province, Friday, June 15, 2012. China will launch three astronauts, including a mother of one who flies transport planes, to live and work on a space station for about a week, a major step in its goal of becoming only the third nation with a permanent base orbiting Earth. (AP Photo/Ng Han Guan)
/ AP